baber/WOPTO huggingface dataset:
Patent CA-2014787-A1 (CA)
Title: Cadmium sulfide membranes
Inventor: SPANHEL LUBDOMIR
IPC: C09K11/56
Filed: 1990-04-18
Abstract: CADMIUM SULFIDE MEMBRANES                 Abstract of the Disclosure A method is described for the creation of novel q-effect cadmium sulfide membranes.  The membranes are made by first creating a dilute cadmium sulfide colloid in aqueous suspension and then removing the water and excess salts therefrom.  The cadmium sulfide membrane thus produced is luminescent at room temperature and may have application in laser fabrication.
Patent CA-2015356-A1 (CA)
Title: Low profile pneumatic outlet
Inventor: DUGGE RICHARD H
IPC: B65D90/06
Filed: 1990-04-25
Abstract: Abstract of the Disclosure A low profile pneumatic outlet for a covered hopper railway car is disclosed which allows the bottom slope sheets of the hopper car to be moved downwardly closer to the rail thereby increasing the cubic capacity of the car while maintaining the car within AAR clearances.  The low profile aspects of the pneumatic outlet result from the provision of an outlet opening in the bottom of the outlet which is opened and closed by a slidable, translatable gate operated by gate opening and closing cam mechanisms positioned generally horizontally with respect to the gate.  The preferred gate operating mechanism is a cam operated mechanism which generates a high mechanical advantage initially upon effecting opening movement of the gate thereby to overcome lading and static friction loads, and then, after movement of the gate has been initiated, a lower mechanical advantage is provided so as to more rapidly move the gate toward its open position.  An outlet cap is provided at each end of the outlet and each cap includes a probe which is located between the inner ends of the gate when the gate is in their closed position thereby positively preventing opening of the gates with one or both of the caps in place.
Patent CA-2017177-A1 (CA)
Title: Human prourokinase variants, methods of producing same, dna sequences, plasmids and hosts therefor
Inventor: TANABE TOSHIZUMI
IPC: C12N15/58
Filed: 1990-05-18
Abstract: ABSTRACT OF THE DISCLOSURE A human prourokinase variant deficient in all or at least part of the first loop region or all or at least part of the third region of the epidermal growth factor (EGF)  domain of human prourokinase,  which shows a long blood  half-life  comparable  to  that  of  the  whole  EGF domain-deficient PUK variant.
Patent CA-2018306-A1 (CA)
Inventor: STEININGER JOHN L
IPC: A47L4/04
Filed: 1990-06-05
Abstract: ABSTRACT     A hinged flexible article is provided which has rigid or semirigid substrate means with an insert of a hinge material which permits repeated flexing of the article about the hinge without failure.  The substrate means has a hardness of at least about 35 Shore D as measured by ASTM test D-2240, while the hinge material has a hardness of from about 25 to about 60 Shore D as measured by ASTM test D-2240.
Patent CA-2019626-A1 (CA)
IPC: C08F212/04
Filed: 1990-06-22
Abstract: Abstract A novel styrene type resin having excellent strength which comprises specific proportions of styrene type structural units and structural units having a long alkyl chain defined by spe-cific structural formula which has a total amount of styrene type monomer, styrene type dimer, styrene type trimer and sol-vent of polymerization below a specific amount has been found to have yield point and break point in a tensile stress-strain test.
Patent CA-2024837-A1 (CA)
Title: Safety device for a ceiling fan
Inventor: CHEN RONG Y
IPC: F04D19/00
Filed: 1990-09-07
Abstract: TITLE:  A SAFETY DEVICE FOR A CEILING FAN          ABSTRACT    A safety device is provided in a ceiling fan which includes a motor and a mandrel disposed in a center  of the  motor. The ceiling fan is supported by  a  bracket which  is  fixed to a ceiling. The safety device  is  a cable. One end of the cable is fixed to the ceiling and the  other  end  is fixed to the  mandrel.  The  safety device  holds the ceiling fan and prevents the  ceiling fan from falling down accidentally when the bracket  is loosened due to vibration of the ceiling fan.
Patent CA-2025352-A1 (CA)
Title: Method and apparatus for dispensing liquid
Inventor: SCHOLLE WILLIAM R
IPC: B65D21/02
Filed: 1990-01-16
Abstract: A beverage dispensing spigot is provided that allows for the smooth dispensing of carbonated beverages such as beer. A spigot body (32) is mounted to a beverage container's neck (24) and employs a barrel valve closure member (92) that seals the pressurized container by use of an O-ring (98). The barrel member is movable via variably pitched slots (60, 62) interacting with the cam pins (110, 112) and sleeve (104). Upon the opening of the spigot from its closed positions, first a pressure release port (41) is exposed to slowly release gas within the container without forcibly projecting the container contents. Next, the barrel member is brought into communication with the pouring spout (38) to allow the beverage to be dispensed, while air is vented into the container through vent (36) to allow the beverage to be smoothly dispensed by avoiding a blocking vacuum.
Patent CA-2025653-A1 (CA)
Title: Orientatable adjustable bent housing
Inventor: WENZEL WILLIAM
IPC: E21B7/04
Filed: 1990-09-18
Abstract: ABSTRACT OF THE DISCLOSURE       An orientatable adjustable bent housing consisting of a tubular inner housing which is telescopically received within a tubular outer housing.   A sleeve is provided which has an angular offset end face.   The sleeve  is axially slidable along the inner housing between a coupled position wherein spline non-rotatably couple the sleeve with the inner housing and an orientatable position wherein the sleeve is disengaged from the spline permitting respective rotational positioning of the sleeve and the inner housing.  In the coupled position the  sleeve  is  further  slidable  between  an  inoperative position wherein the sleeve is spaced from the outer housing and an operative position.   In  the operative position the angularly offset end face of the sleeve is brought in fare to face relation with an angularly offset end face of the outer housing thereby creating a bend the magnitude of which is dependent upon the relative rotational positioning of  the outer housing and the inner housing.  An overlapping splined engagement couples  the inner housing to the outer housing when the sleeve is in the operative position.  A locking nut maintains the sleeve in the operative position.
Patent CA-2025969-A1 (CA)
Inventor: BESHAI MAGED E
IPC: H04Q11/04
Filed: 1990-09-21
Abstract: ABSTRACT         A synchronous time division multiplexing system for multi-channel calls involves dividing each frame into a first segment and a second segment each containing substantially the same number of time slots and dividing the number of channels of the multi-channel call into a first subset and a second subset each containing approximately the same number of channels.          Thereafter, the first subset is assigned to the first segment of the first frame and the second subset to the second segment of the first frame.  The invention involves in a first time switching stage transposing the first subset to the second segment of the first frame such that the channels within the first subset occupy eligible free slots and retain their relative order and transposing the second subset to the first segment of the next frame such that the channels within the second subset occupy eligible free slots and retain their relative order.  The call subsets are thus transposed during a single stage of time switching.  By assigning the selected slots in each segment in an ascending order, the output samples of a call will appear in the proper order but will not be properly positioned in the frame.          When the transposed subsets are likewise switched in a second time-switching stage, the call samples will be positioned properly in the frame.  Thus, traversing an even number of time switches, from source to termination, guarantees both frame consistency and the desirable slot order.
Patent CA-2026047-A1 (CA)
Title: Process for preparing aromatic hydrocarbons
Inventor: KATSUNO HISASHI
IPC: B01J29/61
Filed: 1990-09-24
Abstract: ABSTRACT OF THE DISCLOSURE     PROCESS FOR PREPARING AROMATIC HYDROCARBONS           The  aromatic hydrocarbons  rich  in benzene,  toluene and xylene are prepared from the hydrocarbon having from 6 to 12   carbon atoms by contact the hydrocarbon with a catalyst prepared by depositing at least one metal belonging to group VIII  of the periodic table on a macroporous zeolite treated with a halogenated compound,  in the presence of hydrogen at a rate ranging from 0 to less than 1 mole with respect to mole of   the  hydrocarbon.   The  aromatic  hydrocarbons  rich  in benzene,  toluene  and xylene  are useful  as  a base  for high octane number gasoline or as petrochemical raw materials.
Patent CA-2027461-A1 (CA)
Inventor: RUSCELLO LORENZO
IPC: B65G43/00
Filed: 1990-10-12
Abstract: An apparatus for moving near each other at a preset distance products (13,14) which are advancing along conveyor belts (22,23) with pulse generators (E) applied so to measure their advancement, and at least a photocell (11) connected with a belt and able to intercept the products while advancing. The apparatus comprises first counter means for measuring the space between two successive products, connected with one of said pulse generators and a photocell (11), fixed on a first conveyor belt (22); second counter means (19) connected with respective pulse generators of said first belt (22) and with a successive belt (23) connected with a buffer storage (18) which represents the binary numerical expression of the space to be widened or reduced between two successive products and which memorizes the output signal from a pulse adder (16) of the pulse generator (E1) of said first belt (22) and said pulses are compared with a pre-established value of the desired distance; the output of said counter means (19) being connected to a motor (21) by means of a D/A converter (20), which can realize or not a variation of the speed of the upstream belt (22), according to the pulses of said second counter (19) activated by the passage of a product under said photocell; a logic control member (12) being also provided and operatively connected with said counter means (19) and said buffer storage (18).
Patent CA-2027913-A1 (CA)
Title: Dissolved gas stripping apparatus and methods
Inventor: ZUBACK JOSEPH E
IPC: B01D19/00
Filed: 1990-10-18
Abstract: A method for removal of dissolved gas from water, particularly removal of ozone from water following its treatment with ozone for the purpose of purification, includes the steps of providing an enclosed zone capable of containing a quantity of water, flowing influent water into such zone at a first position thereof to partially fill it leaving a liquid free space within the zone above water contained therein, applying a vacuum to the liquid free space with simultaneous removal of gas from the space, circulating the water within the zone by providing a vertically extending stackpipe within the zone and introducing large bubbles into the stackpipe near the base thereof to create an upward flow of the water through the stackpipe and flowing water out of the zone having a lower ozone content than the ozonized water at a second position of the zone spaced apart from the first position.       Apparatus for carrying out the new method is described.
Patent CA-2029077-A1 (CA)
Title: Syndiotactic copolymers of propylene and olefins
Inventor: HASPESLAGH LUC
IPC: C08F2/00
Filed: 1990-10-31
Abstract: Copolymers of propylene and olefins having from 2 to 10 carbon atoms in which the microstructure of the side chain is highly syndiotactic, more particularly random copolymers. Also disclosed is a process for preparing said copolymers by metallocene catalysts using an asymmetric bridged dicyclopentadienyl derivative of a metal of groups 4b, 5b, or 6b.
Patent CA-2029315-A1 (CA)
Title: Blow molding process and compositions
Inventor: LAUGHNER MICHAEL K
IPC: B29K27/12
Filed: 1990-11-05
Abstract: ABSTRACT     This invention relates to an improved process of blow molding, and to improved compositions useful for blow molding, wherein articles are blow molded from compositions formed from thermoplastic polymeric material, a fluorinated olefinic polymer or copolymer and, optionally, an elastomeric impact modifier.  The presence of the fluorinated olefinic polymer or copolymer in the blow molding composition increases the melt strength of the thermoplastic polymeric material. This makes the thermoplastic polymeric material more useful for blow molding because a parison of greater size and weight can be formed from the polymeric material because of its increased melt strength.     38,077-F
Patent CA-2030103-A1 (CA)
Title: Technique for stimulating long intervals
IPC: E21B37/08
Filed: 1990-11-15
Abstract: A gas generating type fracturing tool is designed to work on long productive intervals and includes a series of separate propellant charges, an igniter for initiating combustion of one of the charges and means for transferring combustion from one charge to the next.  In one embodiment, combustion of the charges occurs one after another with little or no delay between successive charges.  In other embodiments, a delay is incorporated  in  the  combustion  train between  successive charges.  Some embodiments are specifically designed to unplug uncemented slotted liners and have very small gas generation capability.
Patent CA-2034150-A1 (CA)
Inventor: LEHMANN HANS-RUDOLF
IPC: B63B3/00
Filed: 1991-01-15
Abstract: ABSTRACT           The boat has a flap (1) forming a part of its V- or spoon-shaped bow and being unfoldable therefrom.  This flap is supported by means of projections (9a, 9b) arranged on both of its sides on swivel joints (13a, 13b) set back into the inside of the boat with respect to the inner wall of the bow.  Upon pivoting the flap (1) out of the bow opening (15), the flap is swung away from the bow wall portion with the uncovering of an interspace (2) between the flap and the bow wall portion which latter lies underneath the bow opening (15).  The flap outside wall can be urged underneath the surface of the water and can be fixed in its position.  The flap (1) is designed as a buoyant member.  One of the advantages of the boat according to this invention resides in that its flap (1), serving as a working or recreational platform, etc., can be folded back into the bow of the boat in such a way that the hydro-and aerodynamic properties as well as the aesthetic appearance of the bow are impaired.  The boat according to this invention can thus be utilized, without restriction of its full functional ability, as a rescue boat, salvage boat, pleasure boat, and speedboat.  The configuration of the flap (1) acting as a buoyant member makes its use possible without impairing the stability of the boat; in the unfolded condition, this configuration even enhances the capsizing stability of the boat.  Furthermore, the design of the boat hull is such that the stern engines, when a curve is traversed, do not leave the water (4), and the boat exhibits a very high capsizing stability.          (Figure 3)
Patent CA-2034417-A1 (CA)
Title: Coin holder and counting device
Inventor: WOOLRICH PETER
IPC: A45C1/12
Filed: 1991-01-17
Abstract: ABSTRACT OF THE DISCLOSURE         In general, coin holders and counting devices are somewhat complicated in terms of structure, and thus labour intensive and expensive to produce.  A relatively simple device of this type includes a  one-piece, elongated body in the shape of a rectangular parallelepiped, with a plurality of cylindrical slots extending vertically therethrough, the slots having open fronts and being equal in number to the coin compartments of a cash register drawer; a transparent front wall closing the open fronts of the slots; indicia on the front wall adjacent the slots for indicating the number of coins in the slots; and a slide in the base of the device normally closing the bottom ends of the slots, the slide being movable to open the slots so that coins can be removed.
Patent CA-2037741-A1 (CA)
Title: Delipidated polysaccharide composition, method for preparing same
Inventor: DUSSOURD D HINTERLAND LUCIEN
IPC: A61K31/715
Filed: 1991-03-07
Abstract: Polysaccharide D 25 compound partially delipidated and its derivatives, characterised in that at least 85 % by weight, preferably 90 %, of the compound is in aqueous solution in monomeric form. Reference is made in particular to the polysaccharide compound of molecular weight 30 kD extracted from membrane proteoglycan of the bacteria Klebsiella pneumoniae. The content of palmitic fatty acids which are bonded to it in esterified form does not excees 0.01 % by weight of the compound and the content of palmitic fatty acids which are associated with it in free form does not exceed 0.1 % by weight of the compound.
Patent CA-2038941-A1 (CA)
Title: Hydroxyfatty-acid-based monomers for producing plastics
Inventor: FRISCHE RAINER
IPC: C08G18/38
Filed: 1990-08-01
Abstract: ABSTRACT            The present invention relates to a new kind of hydroxyfatty-acid-based monomers which are suited for producing plastics and which are obtained by reacting the esters of hydroxyl-group-containing fatty acids or the esters or salts of amino-group-containing fatty acids with appropriate bifunctional compounds that are capable of reacting with hydroxyl or amino groups, the reaction being such that always two molecules of such fatty acid esters are linked together via the hydroxyl groups or the amino groups by means of the bifunctional compound.
Patent CA-2039587-A1 (CA)
Inventor: SMUTNY EDGAR J
IPC: C08K5/00
Filed: 1991-04-02
Abstract: A B S T R A C T     COPOLYMER COMPOSITIONS COMPRISING A COPOLYMER AND        ONE OR MORE LUBRICATING ADDITIVES      Copolymer compositions comprising an alternating copolymer of carbon monoxide and one or more lubri-cating additives of the general formula X(R)n, in which X represents an n valent polar moiety, with n is 2, 3 or 4, comprising 1-4 polar groups, and each R, independently, represents a monovalent hydrocarbyl radical having 5 to 30 carbon atoms which is attached to a polar group and a process for improving flow properties of alternating copolymers of carbon monoxide comprising the addition thereto of one or more of said lubricating additives.
Patent CA-2039927-A1 (CA)
Title: Gate latch
Inventor: SROKA VERN
IPC: E05C3/12
Filed: 1991-04-05
Abstract: ABSTRACT OF THE DISCLOSURE         The conventional gate latch used on farms includes a casing with a sliding bolt for movement between a latched position in a loop or socket, and a handle for manually moving the bolt to the extended latch position and a retracted, unlatched position.  Such a latch can be opened by an animal.          A relatively simple gate latch for solving this problem includes an elongated plate with a longitudinally extending channel in one surface thereof, a bolt slidable in the channel for movement between an extended, latching position in which the bolt extends beyond one end of the plate into a loop mounted on a fence adjacent to the gate opening, and a retracted position, a pair of detents on the plate extending into the channel for engaging one end of the bolt in the latching position for preventing movement of the bolt to the open position until the bolt is moved slightly toward the latching position and rotated out of alignment with the detent.
Patent CA-2041784-A1 (CA)
Title: Reinforcement for roofing membranes and process for making reinforced roofing membranes
Inventor: WOICESHYN D MARK
IPC: E04D1/00
Filed: 1991-05-03
Abstract: Abstract of Invention A reinforcement for roofing membranes comprises a lightweight over-under, non-woven construction of polyester yarns.  The fabric may be substituted for polyester mats in roofing membranes and provides advantages when so used.  A process of manufacturing roofing membranes using such mats is also disclosed.
Patent CA-2042332-A1 (CA)
Title: Modified silicone rubber for use in the sanitation of sewers in conjunction with specially equipped packers
Inventor: MEUSSDOERFFER JOHANN N
IPC: C09K3/10
Filed: 1991-05-10
Abstract: ABSTRACT OF THE DISCLOSURE       The present invention relates to modified silicone rubber containing, as internal mould release agent, a linear polysiloxane having the following structures   or   in which R stands for methyl or phenyl, R' for methyl and R" for phenyl and y and x are adjusted to produce a viscosity of from 50 to 2000 mPa.s at 25°C and result in a methyl to phenyl ratio in the polysiloxane of 2.5 to 0.6 and the use of said modified silicone rubber for the production of packers fox sealing damaged sewer systems.     Le A 27 686
Patent CA-2042625-A1 (CA)
Title: Transgenic non-human animal carrying a non-infectious hiv genome
Inventor: JOLICOEUR PAUL
IPC: C12N15/87
Filed: 1991-05-15
Abstract: Transqenic Non-Human Animal Carrying A Non-infectious HIV Genome Abstract of the Disclosure Disclosed herein is a transgenic non-human animal carrying a transgene which expresses non-infectious HIV-1   ribonucleic   acid   and complementary  proteins  thereof.    Among  the expressed proteins, which can be found in the milk, serum and several tissues, are the gag and envelope proteins.   The transgenic animal is useful   as   a source   for   obtaining   the complementary proteins, and as an animal model to study HIV host cell interactions and to evaluate anti-HIV drugs.
Patent CA-2042967-A1 (CA)
Title: Double redox system for disinfecting contact lenses
Inventor: SCHLITZER RONALD L
IPC: G02C7/04
Filed: 1991-05-21
Abstract: Abstract An improved system for rapid disinfection of contact lenses in a convenient and reliable manner is disclosed in which a series of oxidation-reduction reactions are employed.  This improved system includes compositions as well as methods of use.
Patent CA-2046210-A1 (CA)
Inventor: JACOBUS CHRISTOPHER W
IPC: H04N1/21
Filed: 1991-07-04
Abstract: The automatic relocation of images in an electron-ic reprographic system includes scanning documents com-prising a print job, converting the documents to electron-ic manipulatable  images,  storing  the  images  for  print generation  and  shifting  the  locations  of  the  scanned images to obtain a desired output.  The location shifting can provide a one-sided cover page for a print job having a duplex arrangement,  reordering to form duplex output from simplex input and joinder of a plurality of sets of documents  without gap generation therebetween.
Patent CA-2046588-A1 (CA)
Title: A forming apparatus
Inventor: TURNER JAMES A
IPC: D21F1/52
Filed: 1990-01-17
Abstract: A forming apparatus (10) is disclosed for forming a web (W) from stock (S) ejected through a slice lip (12) of a headbox (14). The apparatus (10) includes a first wire (16) which extends in an endless loop (18) past the slice lip (12) such that the stock (S) is ejected through the slice lip (12) onto the first wire (16). A second wire (20) extends in a further endless loop (22) with the second wire (20) cooperating with the first wire (16) for defining therebetween a forming section (24) having a first and a second end (26, 28) such that the web (W) is formed during passage of the stock (S) through the forming section (24). A first and a second turning bar (30, 32) are disposed respectively within the endless loop (18) and the further endless loop (22) adjacent to the first end (26) of the forming section (24) such that the slice lip (12) is disposed in close proximity to the first end (26) of the forming section (24). The apparatus (10) also includes a curved drainage device (34), a first slot (36), a box (38), a second slot (42) and a further curved drainage device (44). The curvature of the curved drainage device (34) and the box (38) is opposite to the curvature of the further curved drainage device (44) such that the stock (S) is progressively drained through both wires (16, 20) during pas-sage through the forming section (24) from the first (26) towards the second end (28) thereof.